140233233223421 has 12 divisors (see below), whose sum is σ = 153415653322932. Its totient is φ = 128111565943296.

The previous prime is 140233233223399. The next prime is 140233233223423. The reversal of 140233233223421 is 124322332332041.

It can be written as a sum of positive squares in 6 ways, for example, as 13918786562521 + 126314446660900 = 3730789^2 + 11238970^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140233233223421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140233233223423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4277212706 + ... + 4277245491.

It is an arithmetic number, because the mean of its divisors is an integer number (12784637776911).

Almost surely, 2^{140233233223421} is an apocalyptic number.

It is an amenable number.

140233233223421 is a deficient number, since it is larger than the sum of its proper divisors (13182420099511).

140233233223421 is an equidigital number, since it uses as much as digits as its factorization.

140233233223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554458320 (or 8554458307 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 140233233223421 its reverse (124322332332041), we get a palindrome (264555565555462).

The spelling of 140233233223421 in words is "one hundred forty trillion, two hundred thirty-three billion, two hundred thirty-three million, two hundred twenty-three thousand, four hundred twenty-one".